`mail.01letter.com`

CNAME	`01letter.com`
DNSSEC	⚠️ Not signed
A	59.106.13.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
		PTR	`www556.sakura.ne.jp`
NS	`master.dns.ne.jp` ⭐
		A	210.224.172.18^{🇯🇵 SAKURA-C210.224.160.0/19 (1/OSAKA) SAKURA Internet // WEST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`master.dns.ne.jp`
NS	`ns1.dns.ne.jp`
		A	61.211.236.1^{🇯🇵 SAKURA-B61.211.236.0/24 (4/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-15 Kyutaro-cho, Chuo Osaka 541-0056, Japan}
			PTR	`ns1.dns.ne.jp`
NS	`ns2.dns.ne.jp`
		A	133.167.21.1^{🇯🇵 SAKURA-C133.167.21.0/24 (OSAKA) SAKURA Internet // WEST JAPAN BACKBONE Grand Front Osaka Tower A 35F, 4-20 Ofukacho, Kita-ku, Osaka, Osaka 530-0011, Japan}
			PTR	`ns2.dns.ne.jp`
MX	`01letter.com` ⭐
		A	59.106.13.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
			PTR	`www556.sakura.ne.jp`
TXT	`v=spf1 a:www556.sakura.ne.jp mx ~all`
SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-05-30 #1

`01letter.com`

	DNSSEC	⚠️ Not signed
	A	59.106.13.206^{🇯🇵 SAKURA-B59.106.0.0/17 (7-0/TOKYO) SAKURA Internet // EAST JAPAN BACKBONE 1-8-14 Minami Honmachi, Chuo-ku, Osaka 541-0054, Japan}
	NS	`master.dns.ne.jp` ⭐
	NS	`ns1.dns.ne.jp`
	NS	`ns2.dns.ne.jp`
	MX	`01letter.com` ⭐
	TXT	`v=spf1 a:www556.sakura.ne.jp mx ~all`
	SOA	`master.dns.ne.jp`tech@sakura.ad.jp 2025-05-30 #1

Same first word

mail.ac.gov.br

mail.edu.me

mail.gov.ru

mail.pr

mail.mlbfan.org

mail.ph

mail.nhlfan.net

mail.gru.br

mail.gl

mail.link

mail.no

mail.net.vn

mail.lib.wy.us

mail.pictures

mail.gov.kg

mail.ag

mail.hk

mail.win

mail.net

mail.ne.kr

mail.support

mail.de

mail.hacca.jp

mail.moo.jp

mail.new

mail.teva

mail.gov.al

mail.kapsi.fi

mail.cutegirl.jp

mail.gov.az

mail.io

mail.cash

mail.eus

mail.firewall-gateway.com

mail.pro

mail.pupu.jp

mail.vivian.jp

mail.df.gov.br

mail.ci

mail.chirurgiens-dentistes.fr

mail.frenchkiss.jp

mail.blogspot.be

mail.go.kr

mail.my-gateway.de

mail.wedding

mail.za.bz

mail.to

mail.tf

mail.ba

mail.lviv.ua

mail.ki

mail.lima-city.de

mail.mysecuritycamera.com

mail.microsoft

mail.mil.tw

mail.org.in

mail.deals

mail.cfolks.pl

mail.cm

mail.go.th

mail.mil.cn

mail.poivron.org

mail.dnshome.de

mail.jp

mail.mp

mail.ac

mail.fund

mail.edu.bi

mail.uk.com

mail.mysecuritycamera.net

mail.glass

mail.mil.kg

mail.dog

mail.ddns.me

mail.gov.bh

mail.tours

mail.no-ip.info

mail.na

mail.hn

mail.gov.cl

mail.srl

mail.org.nz

mail.chicappa.jp

mail.123hjemmeside.no

mail.fantasyleague.cc

mail.ufcfan.org

mail.ge

mail.egoism.jp

mail.jpn.org

mail.run

mail.edu.rs

mail.lt

mail.vn

mail.sl

mail.gov.mu

mail.gov.in

mail.uz

mail.clinic

mail.bm

mail.com.pk

Similar names

ilam.ie

lami.su

liam.tel

mail.rakkestad.no

mila.com

mail.gov.bm

alim.net

mail.com.py

mail.guru

mail.bing

mali.com.tw

mail.lv

lima.com.tr

mila.sk

mila.biz

amil.se

amil.lu

mial.com

ailm.com

mail.babyblue.jp

mail.in-berlin.de

liam.computer

mail.no-ip.biz

mail.host

mail.net.ar

almi.co.il

amil.de

mali.no

mail.management

ilam.fr

mila.gg

ilma.co.jp

mail.qld.gov.au

mail.pm

mail.wf

laim.ch

mail.ltd

mail.com.pe

lima.fr

liam.fr

mila.tv

mail.marketing

mail.velvet.jp

mail.fage

amil.info

mail.coach

aiml.solutions

imal.rs

mail.abbott

mail.weir

mail.wroclaw.pl

lami.com.br

amli.de

mail.et

mail.za.net

mail.bz

ilam.it

mail.fakefur.jp

mail.sb

aiml.ca

mail.ht

ilam.org.uk

mail.ax

mail.spdns.eu

mali.com.tr

mail.collegefan.org

lima.pro

mail.com.cn

aiml.ch

liam.agency

lima.de

mial.cl

mail.cab

mail.vn.ua

liam.pe.kr

mail.lat

mali.tv

amil.kz

mail.mg.gov.br

aiml.co

mail.kiev.ua

mail.mydns.tw

ilma.nl

mail.report

lima.kr

lmia.ma

ilam.net

mail.fail

mail.gov.ee

mail.blogspot.com

mail.gob.bo

laim.info

mail.dnsfor.me

alim.co

mail.dix.asia

lima.media

amil.io

mail.gov.nr

mila.it

mail.sg

DNS History

1 record (1 active, 0 former)

●CNAME01letter.com2020-04-14 → 2026-05-14 · 2 obs

● 2020-04-14 21:05:18
● 2026-05-14 09:56:36

🔍 DNS Trace

📋 Delegation Chain

Zone	Nameservers	Glue
com	j.gtld-servers.net, m.gtld-servers.net, b.gtld-servers.net, k.gtld-servers.net...	-
01letter.com	ns1.dns.ne.jp, ns2.dns.ne.jp	-

✅ Authoritative Response

Server:133.167.21.1

NS records: ns1.dns.ne.jp, ns2.dns.ne.jp

🔒 DNSSEC Status

⚠️ Insecure (no DNSSEC)

No DS record for 01letter.com (unsigned zone)

⏱️ Timing

Total: 427ms | Queries: -

📄 Records

Type	Count	Sample Data
CNAME	1	`01letter.com`

Analysis

IP Addresses

mail.01letter.com resolves to a single IP: 59.106.13.206.

Other host names, for instance shirube.com, nitto-tokyo.sakura.ne.jp, loveasiantaste.sakura.ne.jp, undb.sakura.ne.jp and agitato.sakura.ne.jp share IP numbers with mail.01letter.com.

Name Servers

mail.01letter.com delegates to three name servers: master.dns.ne.jp, ns1.dns.ne.jp and ns2.dns.ne.jp.

mail.01letter.com shares some name servers with other domains, for example reidanbou.com, updue.jp, ringobaumkuchen.com, boatrace-hamanako.com and jcv-jp.org.

Host names with a single IP: master.dns.ne.jp points to 210.224.172.18; ns1.dns.ne.jp points to 61.211.236.1; ns2.dns.ne.jp points to 133.167.21.1.

Mail Servers

mail.01letter.com is handled by a single mail server, 01letter.com.

mail.01letter.com uses the same mail server setup as other domains, for example 01letter.com.

Host name 01letter.com points to IP 59.106.13.206.

mail.01letter.com - robtex.com